ἐρυθρός, ἐρυθρᾷ, ἐρυθρον, red; from Homer down; in the N. T. only in the phrase ἡἐρυθρᾷθάλασσαthe Red Sea (from Herodotus down (cf. Rawlinson's Herod. vol. i., p. 143)), i. e. the Indian Ocean washing the shores of Arabia and Persia, with its two gulfs, of which the one lying on the east is called the Persian Gulf, the other on the opposite side the Arabian. In the N. T. the phrase denotes the upper part of the Arabian Gulf (the Heroopolite Gulf, so called (i. e. Gulf of Suez)), through which the Israelites made their passage out of Egypt to the shore of Arabia: Acts 7:36; Hebrews 11:29. (the Sept. for יַם־סוּף, the sea of sedge or sea-weed (cf. B. D. as below). Cf. Win: RWB under the word Meer rothes; Pressel in Herzog ix., p. 239ff; Furrer in Sehenkel iv. 150ff; (B. D., see under the words, and Red Sea, Passage of; Trumbull, Kadesh-Barnea, p. 352ff).)